Probability of Survival following Exposure to whole-Body kadiation:
The probability of survival can be related to symptomatology in maa.
The following analysis is based on
the ubservations made on
the Japanese i
I
K
&
divided according to signs and symptoms, into groups having ditferent
prognosis.
Thus, they may be divided into three groups in which survival
is, respectively, improbable, possible and probable,
otiginally made by Cronkite (7).
line
hh
of demarcation among
This grouping was-a
It is apparent that there is no sharp
no:
the groups.
Survival Improbable:
hours and continues ana
er
is
EXC
If vomiting occurs promptly or within a few
of
followed
by
diarrhea, anorexia, and fever,
in rapid
succession by prostration
the prognosis is grave.
Death will pro
dyn.
wit
expec
thir
Sutvival Possible:
Vomiting may occur, but will he of telative!
short duration tollowed by a period of well-being.
in ¢
In this period‘ol
Plat
well~being, marked changes are taking place in the henopoietic tiss'
tine
Hiro,
months.
The neutrophil count falls to low levels,
time of maximum depression depending upon
et al. (20).
the degree aud tite
the dose as illustrated
levels after two weeks.
this category,
the laten
steel Bey?
-96-—
a
a NEAT TUR
Sn AD ET a ie ag
ene
emery
Odnee EET aeROECE eee
Sompl
75,00:
defen:
tes a are
CS:
LD
ace
Evidence of bleeding tay occur within 2-4-8
In the higher exposure groups of
at
ere
k
ary
ao
this
Platelet count nay reach, very ae
This group represents a lethal duse range in the classical pharmaco
sense.
:
Signs of bacterial infection may develop when the tags
neutrophil count falls below 500/u1l,.
Mars}
Fen.
= 3